Cranial Nerves (12)

Which of the 12 cranial nerves are sensory nerves? Choose the best answer.

1,2,8

Eye

1,3,4,6

Which cranial nerves provide motor innervation only?

3,4,6,11,12

Tongue

7,9,10,12

Hiltons Law

A nerve serving a muscle that produces movement at a joint also innervates the joint itself and the skin over the joint

Olfactory nerve carries sensory ________ for the sense of smell.

Afferent

The vestibulocochlear (VIII) nerve is also called the _______ nerve.

Auditory

The facial nerve (VII) transmits ______ impulses to lacrimal and salivary glands

Autonomic

What does equilibrium mean?

Balance

Glossopharyngeal provides which type of innervations?

Both

Cervical Plexus

C1-C4

Brachial Plexus

C5-T1

The origin of the olfactory nerve is the :

Cerebral Hemispheres

The ______ nerve is not a branch of the trigeminal nerve.

Cervical

Taste to the anterior 2/3's of the tongue is provided by:

Facial

This nerve provides the sensation of taste to the anterior 2/3rds of the tongue:

Facial

This nerve travels thru the internal acoustic meatus:

Facial

The mandibular division of the trigeminal nerve (V) runs thru which orifice?

Foramen Ovale

The maxillary branch of the Trigeminal nerve exits at which orifice?

Foramen Rotundum

This cranial nerve provides motor innervation to the pharyngeal muscles:

Glossopharyngeal

The cochlear division of cranial nerve eight provides for the sense of _______.

Hearing

Motor innervation to the tongue is provided by:

Hypoglossal

The Hypoglossal nerve (XII) exits the skull via the _______ canal.

Hypoglossal

The Glossopharyngeal nerve (IX) leaves the skull via which foramen?

Jugular

Lumbar Plexus

L1-L4

Sciatic Plexus

L4-5, S1-2

Sacral Plexus

L4-S4

The Abducens nerve (VI) provides motor innervating to which muscle?

Lateral Rectus

Of the three division of the Trigeminal nerve, which fibers pass thru the skull via the foramen ovale?

Mandibular

Which branch of the trigeminal nerve provides motor innervations to the muscles of mastication?

Mandibular

Hypoglossal nerve provides ______ innervations to the tongue.

Motor

Cranial Nerve 12

Motor to muscles of the tongue

Which of the 1st three cranial nerves functions in motor innervations?

Oculomotor

This cranial nerve functions to raise the eyelid, direct the eyeball and constrict the iris:

Oculomotor (III)

The cranial nerve most concerned with smell is the:

Olfactory Nerve

Olfactory Nerve (I) arises from which tissue listed below?

Olfactory epithelium

On Old Olympus, Tiny Tops A Finn And German Viewed Some Hops

Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Auditory (Vestibulocochlear), Glossopharyngeal, Vagus, Spinal Accessory, Hypoglossal

The optic nerves converge in the brain at the _____ ______.

Optic Chiasm

Cranial Nerve 10

Overall taste and sensation

Vagus nerve (X) provides _____ fibers to the heart, lungs and visceral organs.

Parasympathetic

Which gland does Glossopharyngeal provide motor fibers to?

Parotid

Accessory nerve (XI) provides motor innervations to the larynx, ______, and soft palate.

Pharynx

Glossopharyngeal innervates which portion of the tongue?

Posterior 1/3

Where does the optic nerve arise?

Retina

Cranial Nerve 7

Sense and taste to anterior 2/3 of the tongue

Some Say Marry Money But My Brother Says Big Brains Matter More

Sensory-Olfactory (I) Sensory- Optic (II) Motor-Oculumotor (III) Motor-Trochlear (IV) Both-Trigeminal (V) Motor-Abducens (VI) Both-Facial (VII) Sensory- Vestibulocochlear (auditory) (VIII) Both- Glossopharyngeal (IX) Both-Vagus (X) Motor- Spinal Accessory (XI) Motor-Hypoglossal (XII)

Motor innervation to the head and neck is accomplished by:

Spinal Accessory

This nerve provides motor innervations to the muscles which move the head and neck.

Spinal Accessory

The spinal root which forms Cranial nerve 11 arises from which region of the cord?

Superior

Which muscle does the Trochlear nerve (IV) innervate?

Superior Oblique

Where does the Oculomotor nerve pass thru to attach to the extrinsic eye muscles?

Superior Orbital Fissure

The Abducens nerve:

Supplies innervation to the lateral rectus muscle of the eye

Proper Hypoglossal innervations allows us to _____ and to ______.

Swallow and Talk

What sensory function does the Vagus provide?

Taste

Cranial Nerve 9

Taste to posterior 2/3 of the tongue and sensation

The _______ nerve is the most complex of the cranial nerves.

Trigeminal

The cranial nerves that have neural connections with the tongue include all of The following except:

Trochlear

How does the accessory nerve leave the cranium?

VIA the Foramen Magnum

This is the only nerve which travels below the head and the neck:

Vagus

What region of the brain is the source for the Oculomotor nerve?

Ventral Midbrain

Problems with balance may follow damage to which nerve?

Vestibulochoclear

Sense of hearing and balance is provided by:

Vestibulochoclear

The optic nerve (II) provides which type of sense?

Vision

The lateral rectus muscle is innervated by the:

abducens nerve